body::before {
    font-family:"中文字体";
    content: "";
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.45;
    position: fixed;
    z-index: -999 !important;
    background: center/cover no-repeat;
    background-image: url("../img/唤灵魅影背景.jpg");
	/* http://cdn.sakurac.cn/about.jpg */
}


